// SPDX-License-Identifier: GPL-2.0 OR MIT
|
/*
|
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
|
*/
|
|
#include <crypto/internal/blake2s.h>
|
#include <crypto/internal/simd.h>
|
#include <crypto/internal/hash.h>
|
|
#include <linux/types.h>
|
#include <linux/kernel.h>
|
#include <linux/module.h>
|
#include <linux/sizes.h>
|
|
#include <asm/cpufeature.h>
|
#include <asm/processor.h>
|
|
static int crypto_blake2s_update_x86(struct shash_desc *desc,
|
const u8 *in, unsigned int inlen)
|
{
|
return crypto_blake2s_update(desc, in, inlen, false);
|
}
|
|
static int crypto_blake2s_final_x86(struct shash_desc *desc, u8 *out)
|
{
|
return crypto_blake2s_final(desc, out, false);
|
}
|
|
#define BLAKE2S_ALG(name, driver_name, digest_size) \
|
{ \
|
.base.cra_name = name, \
|
.base.cra_driver_name = driver_name, \
|
.base.cra_priority = 200, \
|
.base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \
|
.base.cra_blocksize = BLAKE2S_BLOCK_SIZE, \
|
.base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), \
|
.base.cra_module = THIS_MODULE, \
|
.digestsize = digest_size, \
|
.setkey = crypto_blake2s_setkey, \
|
.init = crypto_blake2s_init, \
|
.update = crypto_blake2s_update_x86, \
|
.final = crypto_blake2s_final_x86, \
|
.descsize = sizeof(struct blake2s_state), \
|
}
|
|
static struct shash_alg blake2s_algs[] = {
|
BLAKE2S_ALG("blake2s-128", "blake2s-128-x86", BLAKE2S_128_HASH_SIZE),
|
BLAKE2S_ALG("blake2s-160", "blake2s-160-x86", BLAKE2S_160_HASH_SIZE),
|
BLAKE2S_ALG("blake2s-224", "blake2s-224-x86", BLAKE2S_224_HASH_SIZE),
|
BLAKE2S_ALG("blake2s-256", "blake2s-256-x86", BLAKE2S_256_HASH_SIZE),
|
};
|
|
static int __init blake2s_mod_init(void)
|
{
|
if (IS_REACHABLE(CONFIG_CRYPTO_HASH) && boot_cpu_has(X86_FEATURE_SSSE3))
|
return crypto_register_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs));
|
return 0;
|
}
|
|
static void __exit blake2s_mod_exit(void)
|
{
|
if (IS_REACHABLE(CONFIG_CRYPTO_HASH) && boot_cpu_has(X86_FEATURE_SSSE3))
|
crypto_unregister_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs));
|
}
|
|
module_init(blake2s_mod_init);
|
module_exit(blake2s_mod_exit);
|
|
MODULE_ALIAS_CRYPTO("blake2s-128");
|
MODULE_ALIAS_CRYPTO("blake2s-128-x86");
|
MODULE_ALIAS_CRYPTO("blake2s-160");
|
MODULE_ALIAS_CRYPTO("blake2s-160-x86");
|
MODULE_ALIAS_CRYPTO("blake2s-224");
|
MODULE_ALIAS_CRYPTO("blake2s-224-x86");
|
MODULE_ALIAS_CRYPTO("blake2s-256");
|
MODULE_ALIAS_CRYPTO("blake2s-256-x86");
|
MODULE_LICENSE("GPL v2");
|
